Add IGMP user interface

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2786 42af7a65-404d-4744-a932-0658087f49c3
2026-06-07 01:05:54 +08:00 · 2010-07-11 18:10:22 +00:00
parent 17db18e5f6
commit 3a71f0ac59
15 changed files with 544 additions and 154 deletions
@@ -1,7 +1,7 @@
 ############################################################################
 # Make.defs
 #
-#   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2007, 2010 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -37,3 +37,7 @@ UIPLIB_ASRCS =
 UIPLIB_CSRCS = uiplib.c uip_setmacaddr.c uip_getmacaddr.c uip_sethostaddr.c \
 	uip_gethostaddr.c uip_setdraddr.c uip_setnetmask.c uip_parsehttpurl.c \
 	uip_server.c
+ifeq ($(CONFIG_NET_IGMP),y)
+UIPLIB_CSRCS += uip_ipmsfilter.c
+endif
+
@@ -0,0 +1,113 @@
+/****************************************************************************
+ * netutils/uiplib/uip_setmultiaddr.c
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <netinet/in.h>
+#include <sys/sockio.h>
+
+#include <net/uip/uip-lib.h>
+#include <net/uip/ipmsfilter.h>
+
+#ifdef CONFIG_NET_IGMP
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: ipmsfilter
+ *
+ * Description:
+ *   Add or remove an IP address from a multicast filter set.
+ *
+ * Parameters:
+ *   ifname     The name of the interface to use, size must less than IMSFNAMSIZ
+ *   multiaddr  Multicast group address to add/remove (network byte order)
+ *   fmode      MCAST_INCLUDE: Add multicast address
+ *              MCAST_EXCLUDE: Remove multicast address
+ *
+ * Return:
+ *   0 on sucess; Negated errno on failure
+ *
+ ****************************************************************************/
+
+int ipmsfilter(FAR const char *ifname, FAR const struct in_addr *multiaddr,
+               uint32_t fmode)
+{
+  int ret = ERROR;
+  if (ifname && multiaddr)
+    {
+      /* Get a socket (only so that we get access to the INET subsystem) */
+
+      int sockfd = socket(PF_INET, UIPLIB_SOCK_IOCTL, 0);
+      if (sockfd >= 0)
+        {
+          struct ip_msfilter imsf;
+
+          /* Put the driver name into the request */
+
+          strncpy(imsf.imsf_name, ifname, IMSFNAMSIZ);
+
+          /* Put the new address into the request */
+
+          imsf.imsf_multiaddr.s_addr = multiaddr->s_addr;
+
+          /* Perforom the ioctl to set the MAC address */
+
+          imsf.imsf_fmode = fmode;
+          ret = ioctl(sockfd, SIOCSIPMSFILTER, (unsigned long)&imsf);
+          close(sockfd);
+        }
+    }
+  return ret;
+}
+
+#endif /* CONFIG_NET_IGM */